Leadership

“CLASS “”E”” ALARM SYSTEMS”

Issue 6 and Volume 147.

CLASS “E” ALARM SYSTEMS Class “E” alarm systems—the “E” refers to the business occupancy classification of the New York City Building Code—are similar in many respects to the high-rise fire alarm/voice communication systems found in other parts of the country. Essentially, Class “E” buildings more than 100 feet high are required to provide a system that can be summarized as follows: An electrically supervised direct wire or radio (or combination thereof) fire alarm signal system and voice communication system. The fire alarm signaling system includes manual pull stations, smoke detectors in air-handling systems that serve more than one floor, and smoke detectors at elevator landings. Visual and audible annunciation of fire alarm signals (from the manual pull stations/smoke detectors described be- low) or voice communication station activation at the fire command station, mechanical control center, and the “regularly assigned” location of the fire safety director. Transmission of alarm signals to…

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